"Pseudo-MPEC" for P21D8H6

Created 2023 Jan 26 18:22:14 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21D8H6* C2023 01 2267h!9I%0%]eI`G?Liin.SOdDF6G#p^FrRoQbN4d:8$;TChwf6_teF52
     P21D8H6  C2023 01 22Ie`x2coJ/AXr--\!EapS^^QKt6E9:=XT;DAstrometry=do'+K9$F52
     P21D8H6  C2023 01 22De!0Ar=0redacted;nQ__PRSG1-bUJM$+XPy6Ny!TUev')kQ-*j7F52
     P21D8H6  C2023 01 22]C^HP#UM(:`29P:m,nHKD)Tt`aY*RN6XkA3r#(2iAc)4oR6@v?OQF52
     P21D8H6  C2023 01 22ni8'skC![aZL\GE:OW)Ktg_i?Pd;ImFq6_x/*uee6E8MF7gvnpGiF52
     P21D8H6 |C2023 01 257`2VjPL:wre31dC;9.'P-clicks#S0j)X:*!Rk4b54O-oOYr4rZ;807
     P21D8H6 |C2023 01 25Ahhere%foruRI$0/2JTF2idGsZ.h0!\:M=/P^Q/3)38:Q!LU/Lgx807
     P21D8H6 |C2023 01 25jhKKvmexplanation5WnqKB45LMf5`pHR0SS6.v;`@1o4FL\wX,2807
     P21D8H6 KC2023 01 26.45482 10 53 22.64 +07 33 54.4    ~1QDb       VNEOCP691
     P21D8H6 KC2023 01 26.46468 10 53 22.17 +07 33 31.7    ~1QDb       VNEOCP691
     P21D8H6 KC2023 01 26.47467 10 53 21.70 +07 33 08.1    ~1QDb       VNEOCP691

Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch  (N31.962174 W111.600327)
   US/Arizona.  Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena  (S30.169133 W70.805900)  Chile.
   Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707382 W156.255910)  US/Hawaii.
   Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
   K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
   Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
   R. Weryk. 1.8-m Ritchey-Chrétien + CCD.

Orbital elements:  P21D8H6
   Perihelion 2023 Jan 13.04573 +/- 0.253 TT =  1:05:50 (JD 2459957.54573)
Epoch 2023 Jan 26.0 TT = JDT 2459970.5   Earth MOID: 0.4195   Ju: 0.8681
M   2.70593558 +/- 0.08             (J2000 ecliptic)             AutoNEOCP
n   0.20888365 +/- 0.00377          Peri.  169.79129 +/- 0.20
a   2.81319438 +/- 0.0338           Node   318.04226 +/- 0.056
e   0.5016945 +/- 0.00488           Incl.   18.47472 +/- 0.12
P   4.72                   H 20.95  G  0.15   U  9.0
q 1.40183022 +/- 0.0033    Q 4.22455854 +/- 0.0645
From 11 observations 2023 Jan. 22-26; mean residual 0".11
Residuals in arcseconds: 
230122 F52  .00   .03-    230122 F52  .01-  .00     230126 691  .30+  .02-    
230122 F52  .03+  .00     230125 807  .14-  .08-    230126 691  .02-  .20+    
230122 F52  .01+  .02+    230125 807  .01-  .02+    230126 691  .27-  .17-    
230122 F52  .02-  .01+    230125 807  .14+  .05+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 01 26 18  10 53 11.146   +07 22 36.61  .48640 1.4089 144.4 21.3 .246 129
2023 01 26 19  10 53 09.467   +07 20 59.83  .48629 1.4089 144.4 21.3 .266 129
2023 01 26 20  10 53 07.783   +07 19 23.04  .48619 1.4090 144.5 21.3 .285 129
2023 01 26 21  10 53 06.093   +07 17 46.25  .48609 1.4090 144.5 21.3 .306 129
2023 01 26 22  10 53 04.397   +07 16 09.44  .48598 1.4091 144.6 21.3 .326 129
2023 01 26 23  10 53 02.695   +07 14 32.63  .48588 1.4091 144.6 21.3 .347 129
2023 01 27 00  10 53 00.988   +07 12 55.80  .48578 1.4092 144.6 21.3 .368 129
2023 01 27 01  10 52 59.274   +07 11 18.97  .48568 1.4092 144.7 21.3 .389 129
2023 01 27 02  10 52 57.555   +07 09 42.13  .48558 1.4092 144.7 21.3 .411 129
2023 01 27 03  10 52 55.830   +07 08 05.28  .48547 1.4093 144.8 21.3 .434 129
2023 01 27 04  10 52 54.100   +07 06 28.42  .48537 1.4093 144.8 21.3 .456 129
2023 01 27 05  10 52 52.363   +07 04 51.55  .48527 1.4094 144.8 21.3 .479 129
2023 01 27 06  10 52 50.621   +07 03 14.68  .48517 1.4094 144.9 21.3 .502 129
2023 01 27 07  10 52 48.873   +07 01 37.79  .48507 1.4095 144.9 21.3 .526 129
2023 01 27 08  10 52 47.119   +07 00 00.90  .48497 1.4095 145.0 21.3 .550 129
2023 01 27 09  10 52 45.359   +06 58 24.00  .48487 1.4095 145.0 21.3 .574 128
2023 01 27 10  10 52 43.594   +06 56 47.10  .48477 1.4096 145.0 21.3 .599 128
2023 01 27 11  10 52 41.823   +06 55 10.18  .48467 1.4096 145.1 21.3 .624 128
2023 01 27 12  10 52 40.046   +06 53 33.26  .48457 1.4097 145.1 21.3 .649 128
2023 01 27 13  10 52 38.264   +06 51 56.33  .48448 1.4097 145.1 21.3 .675 128
2023 01 27 14  10 52 36.475   +06 50 19.40  .48438 1.4098 145.2 21.3 .701 128
2023 01 27 15  10 52 34.681   +06 48 42.45  .48428 1.4098 145.2 21.3 .727 128
2023 01 27 16  10 52 32.882   +06 47 05.50  .48418 1.4099 145.3 21.3 .754 128
2023 01 27 17  10 52 31.076   +06 45 28.55  .48409 1.4099 145.3 21.3 .781 128
2023 01 27 18  10 52 29.265   +06 43 51.58  .48399 1.4100 145.3 21.3 .808 128
2023 01 27 19  10 52 27.448   +06 42 14.61  .48389 1.4100 145.4 21.3 .836 128
2023 01 27 20  10 52 25.626   +06 40 37.64  .48380 1.4100 145.4 21.3 .864 128
2023 01 27 21  10 52 23.797   +06 39 00.66  .48370 1.4101 145.5 21.3 .892 128
2023 01 27 22  10 52 21.963   +06 37 23.67  .48361 1.4101 145.5 21.3 .921 128
2023 01 27 23  10 52 20.124   +06 35 46.67  .48351 1.4102 145.5 21.3 .950 128
2023 01 28 00  10 52 18.279   +06 34 09.68  .48341 1.4102 145.6 21.3 .979 128
2023 01 28 01  10 52 16.428   +06 32 32.67  .48332 1.4103 145.6 21.3 1.01 128
2023 01 28 02  10 52 14.571   +06 30 55.66  .48323 1.4103 145.6 21.3 1.04 128
2023 01 28 03  10 52 12.709   +06 29 18.64  .48313 1.4104 145.7 21.3 1.07 128
2023 01 28 04  10 52 10.841   +06 27 41.62  .48304 1.4104 145.7 21.3 1.10 128
2023 01 28 05  10 52 08.967   +06 26 04.60  .48295 1.4105 145.8 21.3 1.13 128
2023 01 28 06  10 52 07.088   +06 24 27.57  .48285 1.4105 145.8 21.3 1.16 128
2023 01 28 07  10 52 05.203   +06 22 50.53  .48276 1.4106 145.8 21.3 1.20 128
2023 01 28 08  10 52 03.313   +06 21 13.49  .48267 1.4106 145.9 21.3 1.23 128
2023 01 28 09  10 52 01.417   +06 19 36.45  .48258 1.4107 145.9 21.3 1.26 128
2023 01 28 10  10 51 59.515   +06 17 59.40  .48248 1.4107 146.0 21.3 1.29 128
2023 01 28 11  10 51 57.608   +06 16 22.35  .48239 1.4108 146.0 21.3 1.33 129
2023 01 28 12  10 51 55.695   +06 14 45.29  .48230 1.4108 146.0 21.3 1.36 129
2023 01 28 13  10 51 53.776   +06 13 08.23  .48221 1.4108 146.1 21.3 1.39 129
2023 01 28 14  10 51 51.852   +06 11 31.17  .48212 1.4109 146.1 21.3 1.43 129
2023 01 28 15  10 51 49.923   +06 09 54.10  .48203 1.4109 146.2 21.3 1.46 129
2023 01 28 16  10 51 47.988   +06 08 17.03  .48194 1.4110 146.2 21.3 1.50 129
2023 01 28 17  10 51 46.047   +06 06 39.96  .48185 1.4110 146.2 21.3 1.53 129